i have a 16 hp briggs that at idle it shakes real hard could it be that he internal counter balance stablizer rods has broken :wave: please forgive me if i have posted in the wrong forum as i am new here

sorry, i don't know, but my 16 horse is knocking, so if you find a answer let me know!!

make sure its bolted tight to the frame. has it always done this, or just started?